/*
Copyright (C) 2022-2024 husong

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, visit <https://www.gnu.org/licenses/gpl-3.0.html>.
*/

package net.somta.juggle.core.variable;

import net.somta.juggle.core.enums.CoreErrorEnum;
import net.somta.juggle.core.exception.FlowException;
import net.somta.juggle.core.model.Variable;
import org.apache.commons.lang3.StringUtils;

import java.util.Map;

/**
 * 变量管理器
 * @author husong
 * @since 1.0.0
 **/
public abstract class AbstractVariableManager {
    private Map<String, Variable> variableSchemaMap;

    public AbstractVariableManager(Map<String, Variable> variableSchemaMap) {
        this.variableSchemaMap = variableSchemaMap;
    }

    public Object getVariableValue(String key) throws FlowException{
        if(StringUtils.isEmpty(key)){
            throw new FlowException(CoreErrorEnum.ENV_KEY_ERROR);
        }
        return doGetVariableValue(key);
    }

    public Boolean setVariableValue(String key,Object value) throws FlowException {
        if(StringUtils.isEmpty(key)){
            throw new FlowException(CoreErrorEnum.ENV_KEY_ERROR);
        }
        return doSetVariableValue(key,value);
    }

    protected Variable getVariableSchema(String key){
        return variableSchemaMap.get(key);
    }

    protected abstract Object doGetVariableValue(String key);

    protected abstract Boolean doSetVariableValue(String key,Object value);

}
